Wireless Communication MCQs | Wireless Communication Objective Type Questions and Answers

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Questions
21 DECT stands for
A Digital European Cellular Telex
B Digitized Emergency Cellular Telephone
C Digital European Cordless Telephone
D Digital European Cellular Telephone

Answer: Digital European Cellular Telex
22 World’s first cellular system was developed by
A Bellcore and Motorola
B AT&T Bell Laboratories
C Qualcomm
D Nippon Telephone and Telegraph (NTT)

Answer: Nippon Telephone and Telegraph (NTT)
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23 Garage door opener is a
A Transmitter
B Receiver
C Transceiver
D All of the above

Answer: Transmitter
24 MIN stands for
A Mobile Identification Number
B Mobile Internet
C Mobility In Network
D All of the above

Answer: Mobile Identification Number
25 PCN is
A Wireless concept of making calls
B For receiving calls
C Irrespective of the location of the user
D All of the above

Answer: All of the above
26 NADC is a 2G standard for
A TDMA
B CDMA
C Both a & b
D All of the above

Answer: TDMA
27 The 2G GSM technology uses a carrier separation of
A 1.25 MHz
B 200 KHz
C 30 KHz
D All of the above

Answer: 200 KHz
28 Radio capacity may be increased in cellular concept by
A Increase in radio spectrum
B Increasing the number of base stations & reusing the channels
C Both a & b
D None of the above

Answer: Increasing the number of base stations & reusing the channels
29 The shape of the cellular region for maximum radio coverage is
A Circular
B Square
C Oval
D Hexagon

Answer: Hexagon
30 Hexagon shape is used for radio coverage for a cell because
A It uses the maximum area for coverage
B Fewer number of cells are required
C It approximates circular radiation pattern
D All of the above

Answer: All of the above
31 The strategies acquired for channel assignment are
A Fixed
B Dynamic
C Regular
D Both a and b

Answer: Both a and b
32 In a fixed channel assignment strategy, if all the assigned channels are occupied, the call
A Gets transferred to another cell
B Gets blocked
C Is kept on waiting
D All of the above

Answer: Gets blocked
33 In a dynamic channel assignment strategy,
A Voice channels are not permanently assigned
B The serving base station requests for a channel from MSC
C MSC allocates the channel according to the predetermined algorithm
D All of the above

Answer: All of the above
34 Advantage of using Dynamic channel assignment is
A Blocking is reduced
B Capacity of the system is increased
C Both a & b
D None of the above

Answer: Both a & b
35 Disadvantage of using Dynamic channel assignment is
A More storage required
B Calculations and analysis is increased
C Both a & b
D None of the above

Answer: Both a & b
36 Delay in handoffs is caused due to
A Week signal conditions
B High traffic conditions
C Un availability of the channel
D All of the above

Answer: All of the above
37 When a fraction of assigned channel is reserved for handoffs, it is
A Guard channel concept
B Fixed channel assignment
C Dynamic channel assignment
D None of the above

Answer: Guard channel concept
38 While handoffs, the termination of call may be avoided by
A Providing Guard channel
B Queuing of handoffs
C Both a & b
D None of the above

Answer: Both a & b
39 GSM is an example of
A TDMA cellular systems
B FDMA cellular systems
C CDMA cellular systems
D All of the above

Answer: TDMA cellular systems
40 TDMA allows the user to have
A Use of same frequency channel for same time slot
B Use of same frequency channel for different time slot
C Use of same time slot for different frequency channel
D Use of different time slot for different frequency channels

Answer: Use of same frequency channel for different time slot

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